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# Chapter 8 Divide Fractions - PowerPoint PPT Presentation

Chapter 8 Divide Fractions. Lesson 8-1: Investigate Divide Fractions and Whole Numbers. Date . Fluency Builder 1288 ÷ 23= 1305 ÷ 45= 720 ÷ 48 =. Introduce chapter with Learnzillion videos found on Youtube Show first: Divide unit fractions by drawing pictures

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Presentation Transcript

Divide Fractions

and Whole Numbers

Date

Fluency Builder

1288 ÷ 23=

1305 ÷ 45=

720 ÷ 48 =

Show first: Divide unit fractions by drawing pictures

Show second: Divide fractions by whole numbers using models

Glue handout (notes) that follow along with pictures and models

Please draw a model to solve

Use Multiplication

Date

How many yards of fabric does each student get?

Nine boys share 7 Hershey bars equally. What

fraction of a Hershey bar does each boy get?

Eight friends share six bags of jelly beans equally.

What fraction of a bag does each friend get?

Number Division

Date

When you divide a fraction by a whole number,

the quotient is ______________ the dividend.

1

2

3

÷

When you divide a whole number by a fraction less

than 1, the quotient is ______________ the dividend.

1

2

3

÷

turkey burgers for a picnic. How many 1/3 pound

turkey burgers can he make?

Three friends share a ¼ pound block of fudge

equally. What fraction of a pound of fudge does

each friend get?

Take the reciprcal of the divisor.

Write a related multiplication sentence to solve

1

8

1

5

2

3

1

3

÷

÷

÷

÷

20

4

9

6